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Product summary

"Kiehl's - Ultra Pure High-Potency 5.0% Niacinamide Serum" is effective for: Evens skin tone, Anti-blemish, Moisturizing and Anti-aging

Ingredient callouts

  • A good concentration of Niacinamide (6.40% - 9.50%). Niacinamide is a well-studied multi-tasking active. It is stable, and can work well in almost any hydrating formulation. There is solid evidence that Niacinamide can help support skin barrier, regulate oil production and reduce acne and clogged pores. It also helps to fight photodamage and improve the skin tone, reducing pigmentation marks.
  • Humectants (sodium hyaluronate 0.50% - 1.15% and glycerin 3.60% - 5.40%). These ingredients help attract water to the upper layer of the skin and improve the skin hydration.

Price

The product retails from 35.00$ up to 44.88$ in the United States and from 24.65£ up to 35.00£ in the United Kingdom.

For a detailed price comparison: click here.